Line data    Source code

       1             : // Copyright (C) 2020 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.restapi.change;
      16             : 
      17             : import static com.google.common.collect.ImmutableSet.toImmutableSet;
      18             : import static com.google.gerrit.server.util.AttentionSetUtil.additionsOnly;
      19             : 
      20             : import com.google.common.collect.ImmutableSet;
      21             : import com.google.gerrit.extensions.common.AttentionSetInfo;
      22             : import com.google.gerrit.extensions.restapi.Response;
      23             : import com.google.gerrit.extensions.restapi.RestReadView;
      24             : import com.google.gerrit.server.account.AccountLoader;
      25             : import com.google.gerrit.server.change.ChangeResource;
      26             : import com.google.gerrit.server.permissions.PermissionBackendException;
      27             : import com.google.gerrit.server.util.AttentionSetUtil;
      28             : import com.google.inject.Inject;
      29             : import com.google.inject.Singleton;
      30             : import java.util.Set;
      31             : 
      32             : /** Reads the list of users currently in the attention set. */
      33             : @Singleton
      34             : public class GetAttentionSet implements RestReadView<ChangeResource> {
      35             : 
      36             :   private final AccountLoader.Factory accountLoaderFactory;
      37             : 
      38             :   @Inject
      39         145 :   GetAttentionSet(AccountLoader.Factory accountLoaderFactory) {
      40         145 :     this.accountLoaderFactory = accountLoaderFactory;
      41         145 :   }
      42             : 
      43             :   @Override
      44             :   public Response<Set<AttentionSetInfo>> apply(ChangeResource changeResource)
      45             :       throws PermissionBackendException {
      46           2 :     AccountLoader accountLoader = accountLoaderFactory.create(true);
      47           2 :     ImmutableSet<AttentionSetInfo> response =
      48             :         // This filtering should match ChangeJson.
      49           2 :         additionsOnly(changeResource.getNotes().getAttentionSet()).stream()
      50           2 :             .map(a -> AttentionSetUtil.createAttentionSetInfo(a, accountLoader))
      51           2 :             .collect(toImmutableSet());
      52           2 :     accountLoader.fill();
      53           2 :     return Response.ok(response);
      54             :   }
      55             : }